Volume Seven of The Collected Works of Ken Wilber includes-

amp;#160; * A Brief History of Everything (1996) Combining spiritual sensitivity with enormous intellectual understanding and a style of elegance and clarity, this book is a clarion call for seeing the world as a whole. - San Francisco Chronicle .
amp;#160; * The Eye of Spirit- An Integral Vision for a World Gone Slightly Mad (1997) uses the spectrum model to create an integral approach to psychology, spirituality, anthropology, cultural studies, and art.

amp;#160; *
An Integral Theory of Consciousness, an essay previously unpublished in book form, presents one of the first theories to integrate first-, second-, and third-person accounts of consciousness.